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jee7schedule

This commit is contained in:
ccristian 2016-06-08 22:05:48 +02:00
parent 9be037e24f
commit 2452e58c2e
18 changed files with 898 additions and 0 deletions
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311
jee7schedule/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>jee7schedule</artifactId>
<version>1.0-SNAPSHOT</version>
<description>JavaEE 7 Arquillian Archetype Sample</description>
<packaging>war</packaging>
<properties>
<java.min.version>1.7</java.min.version>
<maven.min.version>3.0.0</maven.min.version>
<version.junit>4.11</version.junit>
<version.javaee_api>7.0</version.javaee_api>
<version.arquillian_core>1.1.4.Final</version.arquillian_core>
<version.wildfly>8.0.0.Final</version.wildfly>
</properties>
<prerequisites>
<maven>${maven.min.version}</maven>
</prerequisites>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.jboss.arquillian</groupId>
<artifactId>arquillian-bom</artifactId>
<version>${version.arquillian_core}</version>
<scope>import</scope>
<type>pom</type>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>${version.javaee_api}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${version.junit}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.arquillian.junit</groupId>
<artifactId>arquillian-junit-container</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.jayway.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>1.6.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.shrinkwrap.resolver</groupId>
<artifactId>shrinkwrap-resolver-impl-maven</artifactId>
<scope>test</scope>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.jboss.shrinkwrap.resolver</groupId>
<artifactId>shrinkwrap-resolver-impl-maven-archive</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>${java.min.version}</source>
<target>${java.min.version}</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.1.1</version>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>wildfly-managed-arquillian</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<serverProfile>standalone-full.xml</serverProfile>
<serverRoot>${project.build.directory}/wildfly-${version.wildfly}</serverRoot>
</properties>
<dependencies>
<dependency>
<groupId>io.undertow</groupId>
<artifactId>undertow-websockets-jsr</artifactId>
<version>1.0.0.Beta25</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-client</artifactId>
<version>3.0.5.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jaxb-provider</artifactId>
<version>3.0.5.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-json-p-provider</artifactId>
<version>3.0.5.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.wildfly</groupId>
<artifactId>wildfly-arquillian-container-managed</artifactId>
<version>${version.wildfly}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.8</version>
<configuration>
<skip>${maven.test.skip}</skip>
</configuration>
<executions>
<execution>
<id>unpack</id>
<phase>process-test-classes</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>org.wildfly</groupId>
<artifactId>wildfly-dist</artifactId>
<version>${version.wildfly}</version>
<type>zip</type>
<overWrite>false</overWrite>
<outputDirectory>${project.build.directory}</outputDirectory>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.17</version>
<configuration>
<environmentVariables>
<JBOSS_HOME>${project.build.directory}/wildfly-${version.wildfly}</JBOSS_HOME>
</environmentVariables>
</configuration>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>wildfly-remote-arquillian</id>
<dependencies>
<dependency>
<groupId>io.undertow</groupId>
<artifactId>undertow-websockets-jsr</artifactId>
<version>1.0.0.Beta25</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-client</artifactId>
<version>3.0.5.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jaxb-provider</artifactId>
<version>3.0.5.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-json-p-provider</artifactId>
<version>3.0.5.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.wildfly</groupId>
<artifactId>wildfly-arquillian-container-remote</artifactId>
<version>${version.wildfly}</version>
<scope>test</scope>
</dependency>
</dependencies>
</profile>
<profile>
<id>glassfish-embedded-arquillian</id>
<dependencies>
<dependency>
<groupId>org.glassfish.main.extras</groupId>
<artifactId>glassfish-embedded-all</artifactId>
<version>4.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.json</artifactId>
<version>1.0.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.tyrus</groupId>
<artifactId>tyrus-client</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.tyrus</groupId>
<artifactId>tyrus-container-grizzly-client</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.core</groupId>
<artifactId>jersey-client</artifactId>
<version>2.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.arquillian.container</groupId>
<artifactId>arquillian-glassfish-embedded-3.1</artifactId>
<version>1.0.0.CR4</version>
<scope>test</scope>
</dependency>
</dependencies>
</profile>
<profile>
<id>glassfish-remote-arquillian</id>
<dependencies>
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.json</artifactId>
<version>1.0.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.tyrus</groupId>
<artifactId>tyrus-client</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.tyrus</groupId>
<artifactId>tyrus-container-grizzly-client</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.core</groupId>
<artifactId>jersey-client</artifactId>
<version>2.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-json-jackson</artifactId>
<version>2.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-json-processing</artifactId>
<version>2.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.arquillian.container</groupId>
<artifactId>arquillian-glassfish-remote-3.1</artifactId>
<version>1.0.0.CR4</version>
<scope>test</scope>
</dependency>
</dependencies>
</profile>
</profiles>
</project>

27
jee7schedule/src/main/java/com/baeldung/timer/AutomaticTimerBean.java Normal file
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package com.baeldung.timer;
import javax.ejb.Schedule;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.enterprise.event.Event;
import javax.inject.Inject;
import java.util.Date;
@Startup
@Singleton
public class AutomaticTimerBean {
@Inject
Event<TimerEvent> event;
/**
* This method will be called every 10 second and will fire an @TimerEvent
*/
@Schedule(hour = "*", minute = "*", second = "*/10", info = "Every 10 second timer")
public void printDate() {
event.fire(new TimerEvent("TimerEvent sent at :" + new Date()));
}
}

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jee7schedule/src/main/java/com/baeldung/timer/FixedDelayTimerBean.java Normal file
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package com.baeldung.timer;
import javax.ejb.*;
/**
* Created by ccristianchiovari on 5/2/16.
*/
@Singleton
public class FixedDelayTimerBean {
@EJB
private WorkerBean workerBean;
@Lock(LockType.READ)
@Schedule(second = "*/5", minute = "*", hour = "*", persistent = false)
public void atSchedule() throws InterruptedException {
workerBean.doTimerWork();
}
}

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jee7schedule/src/main/java/com/baeldung/timer/ProgrammaticAtFixedRateTimerBean.java Normal file
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package com.baeldung.timer;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.ejb.*;
import javax.enterprise.event.Event;
import javax.inject.Inject;
/**
* author: Cristian Chiovari
*/
@Startup
@Singleton
public class ProgrammaticAtFixedRateTimerBean {
@Inject
Event<TimerEvent> event;
@Resource
TimerService timerService;
@PostConstruct
public void initialize() {
timerService.createTimer(0,1000, "Every second timer");
}
@Timeout
public void programmaticTimout(Timer timer) {
event.fire(new TimerEvent(timer.getInfo().toString()));
}
}

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jee7schedule/src/main/java/com/baeldung/timer/ProgrammaticTimerBean.java Normal file
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package com.baeldung.timer;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.ejb.*;
import javax.enterprise.event.Event;
import javax.inject.Inject;
/**
* author: Jacek Jackowiak
*/
@Startup
@Singleton
public class ProgrammaticTimerBean {
@Inject
Event<TimerEvent> event;
@Resource
TimerService timerService;
@PostConstruct
public void initialize() {
ScheduleExpression scheduleExpression = new ScheduleExpression()
.hour("*")
.minute("*")
.second("*/5");
TimerConfig timerConfig = new TimerConfig();
timerConfig.setInfo("Every 5 second timer");
timerService.createCalendarTimer(scheduleExpression, timerConfig);
}
@Timeout
public void programmaticTimout(Timer timer) {
event.fire(new TimerEvent(timer.getInfo().toString()));
}
}

31
jee7schedule/src/main/java/com/baeldung/timer/ProgrammaticWithInitialFixedDelayTimerBean.java Normal file
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package com.baeldung.timer;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.ejb.*;
import javax.enterprise.event.Event;
import javax.inject.Inject;
/**
* author: Cristian Chiovari
*/
@Startup
@Singleton
public class ProgrammaticWithInitialFixedDelayTimerBean {
@Inject
Event<TimerEvent> event;
@Resource
TimerService timerService;
@PostConstruct
public void initialize() {
timerService.createTimer(10000l,5000l, "Delay 10 seconds then every 5 second timer");
}
@Timeout
public void programmaticTimout(Timer timer) {
event.fire(new TimerEvent(timer.getInfo().toString()));
}
}

27
jee7schedule/src/main/java/com/baeldung/timer/ScheduleTimerBean.java Normal file
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package com.baeldung.timer;
import javax.ejb.Schedule;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.ejb.Timer;
import javax.enterprise.event.Event;
import javax.inject.Inject;
@Startup
@Singleton
public class ScheduleTimerBean {
@Inject
Event<TimerEvent> event;
@Schedule(hour = "*", minute = "*", second = "*/5", info = "Every 5 second timer")
public void automaticallyScheduled(Timer timer) {
fireEvent(timer);
}
private void fireEvent(Timer timer) {
event.fire(new TimerEvent(timer.getInfo().toString()));
}
}

27
jee7schedule/src/main/java/com/baeldung/timer/TimerEvent.java Normal file
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package com.baeldung.timer;
public class TimerEvent {
private String eventInfo;
private long time = System.currentTimeMillis();
public TimerEvent(String s) {
this.eventInfo = s;
}
public long getTime() {
return time;
}
public String getEventInfo() {
return eventInfo;
}
@Override
public String toString() {
return "TimerEvent {" +
"eventInfo='" + eventInfo + '\'' +
", time=" + time +
'}';
}
}

26
jee7schedule/src/main/java/com/baeldung/timer/TimerEventListener.java Normal file
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package com.baeldung.timer;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.enterprise.event.Observes;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* This class will listen to all TimerEvent and will collect them
*/
@Startup
@Singleton
public class TimerEventListener {
final List<TimerEvent> events = new CopyOnWriteArrayList<>();
public void listen(@Observes TimerEvent event) {
System.out.println("event = " + event);
events.add(event);
}
public List<TimerEvent> getEvents() {
return events;
}
}

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jee7schedule/src/main/java/com/baeldung/timer/WorkerBean.java Normal file
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package com.baeldung.timer;
import javax.ejb.Lock;
import javax.ejb.LockType;
import javax.ejb.Singleton;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* Created by cristianchiovari on 5/2/16.
*/
@Singleton
public class WorkerBean {
private AtomicBoolean busy = new AtomicBoolean(false);
@Lock(LockType.READ)
public void doTimerWork() throws InterruptedException {
System.out.println("Timer method called but not started yet !");
if (!busy.compareAndSet(false, true)) {
return;
}
try {
System.out.println("Timer work started");
Thread.sleep(12000);
System.out.println("Timer work done");
} finally {
busy.set(false);
}
}
}

0
jee7schedule/src/main/webapp/WEB-INF/beans.xml Normal file
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66
jee7schedule/src/test/java/com/baeldung/timer/AutomaticTimerBeanTest.java Normal file
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package com.baeldung.timer;
import com.jayway.awaitility.Awaitility;
import org.hamcrest.Matchers;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.jboss.shrinkwrap.resolver.api.maven.Maven;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.inject.Inject;
import java.io.File;
import java.util.concurrent.TimeUnit;
import static com.jayway.awaitility.Awaitility.await;
import static com.jayway.awaitility.Awaitility.to;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
@RunWith(Arquillian.class)
public class AutomaticTimerBeanTest {
//the @AutomaticTimerBean has a method called every 10 seconds
//testing the difference ==> 100000
final static long TIMEOUT = 10000l;
//the tolerance accepted , so if between two consecutive calls there has to be at least 9 or max 11 seconds.
//because the timer service is not intended for real-time applications so it will not be exactly 10 seconds
final static long TOLERANCE = 1000l;
@Inject
TimerEventListener timerEventListener;
@Deployment
public static WebArchive deploy() {
File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
.resolve("com.jayway.awaitility:awaitility")
.withTransitivity().asFile();
//only @AutomaticTimerBean is deployed not the other timers
return ShrinkWrap.create(WebArchive.class)
.addAsLibraries(jars)
.addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, AutomaticTimerBean.class);
}
@Test
public void should_receive_two_pings() {
Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
//the test will wait here until two events are triggered
await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(2));
TimerEvent firstEvent = timerEventListener.getEvents().get(0);
TimerEvent secondEvent = timerEventListener.getEvents().get(1);
long delay = secondEvent.getTime() - firstEvent.getTime();
System.out.println("Actual timeout = " + delay);
//ensure that the delay between the events is more or less 10 seconds (no real time precision)
assertThat(delay, Matchers.is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
}
}

56
jee7schedule/src/test/java/com/baeldung/timer/ProgrammaticAtFixedRateTimerBeanTest.java Normal file
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package com.baeldung.timer;
import com.jayway.awaitility.Awaitility;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.jboss.shrinkwrap.resolver.api.maven.Maven;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.inject.Inject;
import java.io.File;
import java.util.concurrent.TimeUnit;
import static com.jayway.awaitility.Awaitility.await;
import static com.jayway.awaitility.Awaitility.to;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
@RunWith(Arquillian.class)
public class ProgrammaticAtFixedRateTimerBeanTest {
final static long TIMEOUT = 1000;
final static long TOLERANCE = 500l;
@Inject
TimerEventListener timerEventListener;
@Deployment
public static WebArchive deploy() {
File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
.resolve("com.jayway.awaitility:awaitility")
.withTransitivity().asFile();
return ShrinkWrap.create(WebArchive.class)
.addAsLibraries(jars)
.addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ProgrammaticAtFixedRateTimerBean.class);
}
@Test
public void should_receive_ten_pings() {
Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(10));
TimerEvent firstEvent = timerEventListener.getEvents().get(0);
TimerEvent secondEvent = timerEventListener.getEvents().get(1);
long delay = secondEvent.getTime() - firstEvent.getTime();
System.out.println("Actual timeout = " + delay);
assertThat(delay, is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
}
}

53
jee7schedule/src/test/java/com/baeldung/timer/ProgrammaticTimerBeanTest.java Normal file
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package com.baeldung.timer;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.jboss.shrinkwrap.resolver.api.maven.Maven;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.inject.Inject;
import java.io.File;
import static com.jayway.awaitility.Awaitility.await;
import static com.jayway.awaitility.Awaitility.to;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
@RunWith(Arquillian.class)
public class ProgrammaticTimerBeanTest {
final static long TIMEOUT = 5000l;
final static long TOLERANCE = 1000l;
@Inject
TimerEventListener timerEventListener;
@Deployment
public static WebArchive deploy() {
File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
.resolve("com.jayway.awaitility:awaitility")
.withTransitivity().asFile();
return ShrinkWrap.create(WebArchive.class)
.addAsLibraries(jars)
.addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ProgrammaticTimerBean.class);
}
@Test
public void should_receive_two_pings() {
await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(2));
TimerEvent firstEvent = timerEventListener.getEvents().get(0);
TimerEvent secondEvent = timerEventListener.getEvents().get(1);
long delay = secondEvent.getTime() - firstEvent.getTime();
System.out.println("Actual timeout = " + delay);
assertThat(delay, is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
}
}

61
jee7schedule/src/test/java/com/baeldung/timer/ProgrammaticWithFixedDelayTimerBeanTest.java Normal file
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package com.baeldung.timer;
import com.jayway.awaitility.Awaitility;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.jboss.shrinkwrap.resolver.api.maven.Maven;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.inject.Inject;
import java.io.File;
import java.util.concurrent.TimeUnit;
import static com.jayway.awaitility.Awaitility.await;
import static com.jayway.awaitility.Awaitility.to;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
@RunWith(Arquillian.class)
public class ProgrammaticWithFixedDelayTimerBeanTest {
final static long TIMEOUT = 15000l;
final static long TOLERANCE = 1000l;
@Inject
TimerEventListener timerEventListener;
@Deployment
public static WebArchive deploy() {
File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
.resolve("com.jayway.awaitility:awaitility")
.withTransitivity().asFile();
return ShrinkWrap.create(WebArchive.class)
.addAsLibraries(jars)
.addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ProgrammaticWithInitialFixedDelayTimerBean.class);
}
@Test
public void should_receive_two_pings() {
Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
// 10 seconds pause so we get the startTime and it will trigger first event
long startTime = System.currentTimeMillis();
await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(2));
TimerEvent firstEvent = timerEventListener.getEvents().get(0);
TimerEvent secondEvent = timerEventListener.getEvents().get(1);
long delay = secondEvent.getTime() - startTime;
System.out.println("Actual timeout = " + delay);
//apx 15 seconds = 10 delay + 2 timers (first after a pause of 10 seconds and the next others every 5 seconds)
assertThat(delay, is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
}
}

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jee7schedule/src/test/java/com/baeldung/timer/ScheduleTimerBeanTest.java Normal file
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package com.baeldung.timer;
import com.jayway.awaitility.Awaitility;
import org.hamcrest.Matchers;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.jboss.shrinkwrap.resolver.api.maven.Maven;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.inject.Inject;
import java.io.File;
import java.util.concurrent.TimeUnit;
import static com.jayway.awaitility.Awaitility.await;
import static com.jayway.awaitility.Awaitility.to;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
@RunWith(Arquillian.class)
public class ScheduleTimerBeanTest {
final static long TIMEOUT = 5000l;
final static long TOLERANCE = 1000l;
@Inject
TimerEventListener timerEventListener;
@Deployment
public static WebArchive deploy() {
File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
.resolve("com.jayway.awaitility:awaitility")
.withTransitivity().asFile();
return ShrinkWrap.create(WebArchive.class)
.addAsLibraries(jars)
.addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ScheduleTimerBean.class);
}
@Test
public void should_receive_three_pings() {
Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(3));
TimerEvent firstEvent = timerEventListener.getEvents().get(0);
TimerEvent secondEvent = timerEventListener.getEvents().get(1);
TimerEvent thirdEvent = timerEventListener.getEvents().get(2);
long delay = secondEvent.getTime() - firstEvent.getTime();
assertThat(delay, Matchers.is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
delay = thirdEvent.getTime() - secondEvent.getTime();
assertThat(delay, Matchers.is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
}
}

30
jee7schedule/src/test/java/com/baeldung/timer/WithinWindowMatcher.java Normal file
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@ -0,0 +1,30 @@
package com.baeldung.timer;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
class WithinWindowMatcher extends BaseMatcher<Long> {
private final long timeout;
private final long tolerance;
public WithinWindowMatcher(long timeout, long tolerance) {
this.timeout = timeout;
this.tolerance = tolerance;
}
@Override
public boolean matches(Object item) {
final Long actual = (Long) item;
return Math.abs(actual - timeout) < tolerance;
}
@Override
public void describeTo(Description description) {
//To change body of implemented methods use File | Settings | File Templates.
}
public static Matcher<Long> withinWindow(final long timeout, final long tolerance) {
return new WithinWindowMatcher(timeout, tolerance);
}
}

1
pom.xml
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@ -23,6 +23,7 @@
<module>jooq-spring</module>
<module>json-path</module>
<module>mockito</module>
<module>jee7schedule</module>
<!-- <module>jpa-storedprocedure</module> -->
<module>querydsl</module>
<!-- <module>raml</module> -->